[dredmorbius]

That depends. One of the problems, again, is that the process can take its sweet time to happen, and there's always a risk involved. Your legal team needs to be paid up-front, generally, which means that in terms of financial capital you're allocating your resources in advance, and have that much less to contribute to real business investment.

Other than that -- I'm wading in above my head, so I'll let someone more qualified respond at more length.